What question did this study set out to answer?

To determine how local neighbourhood conditions alter tree allometry, architecture, and biomass allocation to drive diversity-productivity relationships in mixed-species tropical forests.

June 4, 2020New PhytologistOpen Access

Neighbourhood‐mediated shifts in tree biomass allocation drive overyielding in tropical species mixtures

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Authors

JGJoannès GuillemotCentre de Coopération Internationale en Recherche Agronomique pour le Développement MKMatthias KunzGFZ Helmholtz Centre for Geosciences FSFlorian SchnabelUniversity of Freiburg

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Implication

Forest diversity experiment reveals that neighbourhood-driven shifts in branch allocation enhance productivity in tropical mixtures, indicating standard equations remain valid.

Key Points

To determine how local neighbourhood conditions alter tree allometry, architecture, and biomass allocation to drive diversity-productivity relationships in mixed-species tropical forests.
Conducted destructive whole-tree biomass harvesting and terrestrial laser scanning in the oldest tropical tree diversity experiment.
Constructed spatially explicit tree-level models to evaluate the effects of tree size and local neighbourhood interactions, upscaling results to stand levels via bootstrapping.
Biomass allocation among branch orders changed substantially in species mixtures due to neighbourhood-mediated plasticity and size effects, driving significant stand overyielding.
Root-to-shoot ratios and basal area to aboveground biomass allometric relationships remained stable regardless of local neighbourhood competition.

Cite This Study

Guillemot et al. (2020) studied this question.

synapsesocial.com/papers/6a9ad65a44c3282f559e49ff https://doi.org/10.1111/nph.16722

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Implication

Forest diversity experiment reveals that neighbourhood-driven shifts in branch allocation enhance productivity in tropical mixtures, indicating standard equations remain valid.

Neighbourhood‐mediated shifts in tree biomass allocation drive overyielding in tropical species mixtures

Discussion

Member takes

Implication

Key Points

Cite This Study

Neighbourhood‐mediated shifts in tree biomass allocation drive overyielding in tropical species mixtures

Discussion

Member takes

Implication

Key Points

Cite This Study

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